Target Interview Questions, Process, and Tips

Q1. What is ReactQuery?
Ans. 
ReactQuery is a library for managing server state in React applications.
• Provides hooks for fetching, caching, and updating data from APIs

• Automatically handles caching, background refetching, and stale data management

• Improves performance by reducing unnecessary network requests
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Q2. Have you used useMemo, useCallback
Ans. 
Yes, I have used useMemo and useCallback in React applications.
• Used useMemo to memoize expensive calculations and prevent unnecessary re-renders.

• Used useCallback to memoize functions and prevent unnecessary re-creations.

• Example: const memoizedValue = useMemo(() => calculateValue(a, b), [a, b]);

• Example: const memoizedFunction = useCallback(() => { doSomething(a, b); }, [a, b]);
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Standard DSA questions

Q1. How to do anomaly detection in un-structured data?
Ans. 
Anomaly detection in unstructured data involves using techniques like clustering, outlier detection, and natural language processing.
• Use clustering algorithms like k-means or DBSCAN to group similar data points together.

• Apply outlier detection methods such as isolation forests or one-class SVM to identify anomalies.

• Utilize natural language processing techniques like word embeddings or topic modeling for text data.

• Consi...read more
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2 coding problems.

One is on Hasmap

second one is on Tree

Q1. Pair programming Round
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Q2. One problem step by step solving with unit test cases maintaining time complexity and space complexity.
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Q1. High level Design
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Q1. Techno - Managerial
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Q1. Normal discussion benefits and salary
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Q1. Tell me about yourself
Ans. 
Experienced marketing professional with a background in digital marketing and brand management.
• Over 5 years of experience in marketing roles

• Specialize in digital marketing strategies and social media management

• Managed successful brand campaigns for XYZ Company

• Strong analytical skills and data-driven decision making
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